All cars, 1996 and newer are required to have OBDII.
Now, find you local subies and start meeting with them. Casual conversation will teach you a lot. My point though is, one of those guys should have an accessport or tactrix they can let you use and show you how to run a log.
Logging is an excellent diagnostic tool, and imho, everyone should do it from time to time and know how to spot issues in them as well.